
/* 目录 */
.catalogue{border: 1px red solid;width: 20%;
    display: flex;flex-flow:column nowrap;align-items:center;
    position: fixed;margin: 10% 0 0 0;border-radius: 10px;}
.catalogue div{margin: 10px 0;font-size: large;}

/* 内容 */
.substance{border: 1px yellow dashed;margin-left: 20%;display: flex;flex: 1;flex-flow:column nowrap;}

.one{background-color: #ADEAEA;}

.one h1{text-align: center;font-size: 30px;border: #ccff99 2px solid;padding: 5px 0;}
.one h2{text-align: left;font-size: 25px;color: magenta;margin:5px; }

.bj{background:blanchedalmond}
.bj2{background:#cf8}

.text{color: red;font-size: large;}